Amazon vs. Netflix: Streaming Battle Heats Up

Netflix Inc.'s debut of its flashy $100 million original series "House of Cards" on Friday was supposed to be the streaming company's day in the sun. Rival Amazon.com Inc. had other ideas.

The Seattle Web giant announced it had reached an exclusive U.S. agreement with PBS to stream the wildly popular British costume drama "Downton Abbey," beginning with the third season in June and all seasons starting in July....